#include <stdio.h> int main() { long long a; float b,c,d; /*浮点型占位符 %f 长整形占位符是 %ld*/ while (scanf("%ld;%f,%f,%f", &a, &b, &c ,&d) != EOF) { // 注意 while 处理多个 case // 64 位输出请用 printf("%lld") to printf("The each subject score of No. %ld is %.2f, %.2f, %.2lf...